1 // SPDX-License-Identifier: GPL-2.0+
3  * Marvell 88x2222 dual-port multi-speed ethernet transceiver.
7  *	1000Base-X or 10GBase-R on the line side.
8  *	SGMII over 1000Base-X.
39 /* 1000Base-X/SGMII Control Register */
42 /* 1000BASE-X/SGMII Status Register */
45 /* 1000Base-X Auto-Negotiation Advertisement Register */
48 /* 1000Base-X PHY Specific Status Register */
113 	struct mv2222_data *priv = phydev->priv;  in mv2222_set_sgmii_speed()
115 	switch (phydev->speed) {  in mv2222_set_sgmii_speed()
119 				       priv->supported) ||  in mv2222_set_sgmii_speed()
121 				       priv->supported)))  in mv2222_set_sgmii_speed()
130 				       priv->supported) ||  in mv2222_set_sgmii_speed()
132 				       priv->supported)))  in mv2222_set_sgmii_speed()
140 				       priv->supported) ||  in mv2222_set_sgmii_speed()
142 				       priv->supported)))  in mv2222_set_sgmii_speed()
148 		return -EINVAL;  in mv2222_set_sgmii_speed()
154 	struct mv2222_data *priv = phydev->priv;  in mv2222_is_10g_capable()
157 				  priv->supported) ||  in mv2222_is_10g_capable()
159 				  priv->supported) ||  in mv2222_is_10g_capable()
161 				  priv->supported) ||  in mv2222_is_10g_capable()
163 				  priv->supported) ||  in mv2222_is_10g_capable()
165 				  priv->supported) ||  in mv2222_is_10g_capable()
167 				  priv->supported));  in mv2222_is_10g_capable()
172 	struct mv2222_data *priv = phydev->priv;  in mv2222_is_1gbx_capable()
175 				 priv->supported);  in mv2222_is_1gbx_capable()
180 	struct mv2222_data *priv = phydev->priv;  in mv2222_is_sgmii_capable()
183 				  priv->supported) ||  in mv2222_is_sgmii_capable()
185 				  priv->supported) ||  in mv2222_is_sgmii_capable()
187 				  priv->supported) ||  in mv2222_is_sgmii_capable()
189 				  priv->supported) ||  in mv2222_is_sgmii_capable()
191 				  priv->supported) ||  in mv2222_is_sgmii_capable()
193 				  priv->supported));  in mv2222_is_sgmii_capable()
198 	struct mv2222_data *priv = phydev->priv;  in mv2222_config_line()
200 	switch (priv->line_interface) {  in mv2222_config_line()
211 		return -EINVAL;  in mv2222_config_line()
215 /* Switch between 1G (1000Base-X/SGMII) and 10G (10GBase-R) modes */
218 	struct mv2222_data *priv = phydev->priv;  in mv2222_swap_line_type()
222 	switch (priv->line_interface) {  in mv2222_swap_line_type()
225 			priv->line_interface = PHY_INTERFACE_MODE_1000BASEX;  in mv2222_swap_line_type()
230 			priv->line_interface = PHY_INTERFACE_MODE_SGMII;  in mv2222_swap_line_type()
238 			priv->line_interface = PHY_INTERFACE_MODE_10GBASER;  in mv2222_swap_line_type()
244 		return -EINVAL;  in mv2222_swap_line_type()
258 	struct mv2222_data *priv = phydev->priv;  in mv2222_setup_forced()
261 	if (priv->line_interface == PHY_INTERFACE_MODE_10GBASER) {  in mv2222_setup_forced()
262 		if (phydev->speed < SPEED_10000 &&  in mv2222_setup_forced()
263 		    phydev->speed != SPEED_UNKNOWN) {  in mv2222_setup_forced()
270 	if (priv->line_interface == PHY_INTERFACE_MODE_SGMII) {  in mv2222_setup_forced()
281 	struct mv2222_data *priv = phydev->priv;  in mv2222_config_aneg()
285 	if (priv->line_interface == PHY_INTERFACE_MODE_NA)  in mv2222_config_aneg()
288 	if (phydev->autoneg == AUTONEG_DISABLE ||  in mv2222_config_aneg()
289 	    priv->line_interface == PHY_INTERFACE_MODE_10GBASER)  in mv2222_config_aneg()
292 	adv = linkmode_adv_to_mii_adv_x(priv->supported,  in mv2222_config_aneg()
338 		/* 10GBASE-R do not support auto-negotiation */  in mv2222_read_status_10g()
339 		phydev->autoneg = AUTONEG_DISABLE;  in mv2222_read_status_10g()
340 		phydev->speed = SPEED_10000;  in mv2222_read_status_10g()
341 		phydev->duplex = DUPLEX_FULL;  in mv2222_read_status_10g()
343 		if (phydev->autoneg == AUTONEG_ENABLE) {  in mv2222_read_status_10g()
371 	if (phydev->autoneg == AUTONEG_ENABLE &&  in mv2222_read_status_1g()
399 			phydev->duplex = DUPLEX_FULL;  in mv2222_read_status_1g()
401 			phydev->duplex = DUPLEX_HALF;  in mv2222_read_status_1g()
404 			phydev->speed = SPEED_1000;  in mv2222_read_status_1g()
406 			phydev->speed = SPEED_100;  in mv2222_read_status_1g()
408 			phydev->speed = SPEED_10;  in mv2222_read_status_1g()
416 	struct mv2222_data *priv = phydev->priv;  in mv2222_link_is_operational()
423 	if (phydev->sfp_bus && !priv->sfp_link)  in mv2222_link_is_operational()
431 	struct mv2222_data *priv = phydev->priv;  in mv2222_read_status()
434 	phydev->link = 0;  in mv2222_read_status()
435 	phydev->speed = SPEED_UNKNOWN;  in mv2222_read_status()
436 	phydev->duplex = DUPLEX_UNKNOWN;  in mv2222_read_status()
441 	if (priv->line_interface == PHY_INTERFACE_MODE_10GBASER)  in mv2222_read_status()
449 	phydev->link = link;  in mv2222_read_status()
473 	if (phydev->interface != PHY_INTERFACE_MODE_XAUI)  in mv2222_config_init()
474 		return -EINVAL;  in mv2222_config_init()
489 	priv = (struct mv2222_data *)phydev->priv;  in mv2222_sfp_insert()
490 	dev = &phydev->mdio.dev;  in mv2222_sfp_insert()
492 	sfp_parse_support(phydev->sfp_bus, id, sfp_supported);  in mv2222_sfp_insert()
493 	sfp_interface = sfp_select_interface(phydev->sfp_bus, sfp_supported);  in mv2222_sfp_insert()
502 		return -EINVAL;  in mv2222_sfp_insert()
505 	priv->line_interface = sfp_interface;  in mv2222_sfp_insert()
506 	linkmode_and(priv->supported, phydev->supported, sfp_supported);  in mv2222_sfp_insert()
512 	if (mutex_trylock(&phydev->lock)) {  in mv2222_sfp_insert()
514 		mutex_unlock(&phydev->lock);  in mv2222_sfp_insert()
525 	priv = (struct mv2222_data *)phydev->priv;  in mv2222_sfp_remove()
527 	priv->line_interface = PHY_INTERFACE_MODE_NA;  in mv2222_sfp_remove()
528 	linkmode_zero(priv->supported);  in mv2222_sfp_remove()
536 	priv = phydev->priv;  in mv2222_sfp_link_up()
537 	priv->sfp_link = true;  in mv2222_sfp_link_up()
545 	priv = phydev->priv;  in mv2222_sfp_link_down()
546 	priv->sfp_link = false;  in mv2222_sfp_link_down()
560 	struct device *dev = &phydev->mdio.dev;  in mv2222_probe()
584 	linkmode_copy(phydev->supported, supported);  in mv2222_probe()
588 		return -ENOMEM;  in mv2222_probe()
590 	priv->line_interface = PHY_INTERFACE_MODE_NA;  in mv2222_probe()
591 	phydev->priv = priv;  in mv2222_probe()